package yuntikutest;
class A {     
	static {         
		System.out.print("1");     
	}     
	public A() {         
		System.out.print("2");     
	} 
} 
class B extends A{     
	static {         
		System.out.print("a");     
	}     
	public B() {         
		System.out.print("b");     
	} 
} 
public class Hello {     
	public static void main(String[] args) {         
		A ab = new B(); 
		ab = new B();     
	} 
} 
 